India, Republic, 1967 AD., Mumbai mint, 50 Paise, KM 58.1.

India, Republic, Mumbai (Bombay) mint, 1967 AD.,
50 Paise (ø 24 mm / 4,94 g), nickel, 5,00 g theoretical mint weight, type minted 1964-71, mintage 19.267.000 (all var.) , axes medal alignment ↑↑ , reeded edge,
Obv.: भारत - INDIA , country name in Hindi and English flanking Asoka lion pedestal.
Rev.: रूपये का आधा भाग / 50 / पचास पैसे / 1967 / ♦ , (half of a rupee / 50 / fifty paise / ...) , value and denomination in Hindi above and below value in western numerals, year and half wreath below.
KM 58.1 .

struck in two different mints:
♦ (small dot/diamond) = Mumbai
B (letter "B") = Mumbai Proof Issues
(no mintmark) = Calcutta

Different National Emblem Types
Type 1: Side lions toothless with 2 to 3 fur rows, short squat D in INDIA.
Type 2: Asoka lion pedestal more imposing. Side lions
with 3 or 4 fur rows, more elegant D in INDIA. The shape of the D in INDIA is the easiest way to distinguish this obverse.

Year / Mint Mark / Mintage / Details
1964 23,361,000 KM#58.1 (Type 1; Calcutta Mint; 7mm "50")
1967 KM#58.2 (Type 2; Calcutta Mint; 6.5mm "50")
1967 ♦ KM#58.1 (Type 1; Mumbai Mint; 7mm "50", edge variety)
1967 ♦ 19.267.000 KM#58.1 (Type 1; Mumbai Mint; 7mm "50")
1967 ♦ KM#58.1 (Type 1; Mumbai Mint; 7mm "50", full lion's teeth; rare)
1968 KM#58.2 (Type 2; Calcutta Mint; 6.5mm "50")
1968 ♦ 28,076,000 KM#58.2 (Type 2; Mumbai Mint; 6.5mm "50")
1968 ♦ KM#58.2 (Type 2; Calcutta Mint; 6.5mm "50", no whiskers and thick horsetail; rare)
1969 KM#58.2 (Type 2; Calcutta Mint; 6.5mm "50")
1969 ♦ 59,388,000 KM#58.2 (Type 2; Mumbai Mint; 6.5mm "50")
1970 KM#58.2 (Type 2; Calcutta Mint; 6.5mm "50")
1970 ♦ KM#58.3 (Type 1; Mumbai Mint; 6mm "50")
1970 ♦ KM#58.2 (Type 2; Mumbai Mint; 6.5mm "50")
1970 B 3,046 KM#58.3 (Proof; Type 1; Mumbai Mint; 6mm "50")
1971 57,900,000 KM#58.2 (Type 2; Calcutta Mint; 6.5mm "50")
1971 B 4,375 KM#58.3 (Proof; Type 1; Mumbai Mint; 6mm "50")